said Friday it will offer an additional 2 million shares of its common stock for $18 a share.

The company, which designs and makes robots for manufacturing purposes, currently has 10.98 million outstanding shares.

The offering is managed by

Lehman Brothers


U.S. Bancorp Piper Jaffray

. Adept has granted the underwriters a 30-day option to buy up to 300,000 additional shares of common stock, but only to cover any over-allotments.

Adept, based in San Jose, Calif., lost fell 88 cents, or 4.6%, to $18.38 in Friday